Daiichi Yakuhin Sangyo

Daiichi Yakuhin Sangyo is a Japanese pharmaceutical company specializing in the manufacture and distribution of over-the-counter (OTC) drugs, reagents, and industrial chemicals. Established in 1947 and headquartered in Tokyo, the company operates as a subsidiary of Alfresa Holdings Corporation. Its product portfolio includes nutritional supplements, gastrointestinal treatments, and a wide array of chemical reagents used in clinical and industrial laboratories. Beyond product sales, the company provides contract manufacturing (CMO) services, leveraging its GMP-compliant facilities to produce various pharmaceutical dosage forms. As part of the Alfresa Group, it contributes to a comprehensive healthcare supply chain within the Japanese market.